One suggestion if you do this type of thing regularly. Go to the pharmacy and pick up one of those pill planning boxes. They are perfect for placing tiny screws in and you can separate them in order you removed them (one step per box) and then when you put it back together just use the screws in reverse order.

Another option for fastener management if this is just bench work is a lipstick organizer:

These can be had from about $5 to $15.